Dripdrop Drains, or World 2-3, is the second course of Soggy Sewers. It's theme is a pipe area with Munchers.
- Star Coin #1: Hit the first P-Switch and run quickly to the coin barrier (which, of course, was a Brick Block enclosure) to get the Star Coin.
- Star Coin #2: Go into the first yellow warp pipe, then travel to the green warp pipe to get the Star Coin.
- Star Coin #3: Near the end of the level, to the right of the last normal Piranha Plant. Dash then jump to get it.
- Piranha Plant
- Fire Piranha Plant
- Big Fire Piranha Plant